189 lines
6.5 KiB
Objective-C
189 lines
6.5 KiB
Objective-C
//
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// GIGaUserFileHelper.m
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// GIGA
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//
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// Created by lianxiang on 2018/9/21.
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// Copyright © 2018年 com.giga.ios. All rights reserved.
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//
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#import "GIGaUserFileHelper.h"
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@implementation GIGaUserFileHelper
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+(void)savaUserAvatorWith:(NSString *)userId image:(UIImage *)image{
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if (!userId) {
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GILog(@"userID nil !!!");
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return;
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}
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NSData*imageData=UIImageJPEGRepresentation(image,1.0f);
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NSString *fullPath=[[NSHomeDirectory() stringByAppendingPathComponent:@"Documents"]stringByAppendingPathComponent:userId];
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[imageData writeToFile:fullPath atomically:YES];
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}
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+(void)savaShareImange:(NSString *)fileName image:(UIImage *)image{
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NSData*imageData=UIImageJPEGRepresentation(image,1.0f);
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NSString *fullPath=[[NSHomeDirectory() stringByAppendingPathComponent:@"Documents"]stringByAppendingPathComponent:fileName];
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[imageData writeToFile:fullPath atomically:YES];
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}
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+(void)delectShareImage:(NSString *)imageName{
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//删除文件夹及文件级内的文件：
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NSString *fullPath=[[NSHomeDirectory() stringByAppendingPathComponent:@"Documents"]stringByAppendingPathComponent:imageName];
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NSFileManager *fileManager = [NSFileManager defaultManager];[fileManager removeItemAtPath:fullPath error:nil];
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}
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+(UIImage *)getUserShareImage:(NSString *)imageName{
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NSString*fullpath=[[NSHomeDirectory() stringByAppendingPathComponent:@"Documents"]stringByAppendingPathComponent:imageName];
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UIImage*saveImage=[[UIImage alloc]initWithContentsOfFile:fullpath];
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if (!saveImage) {
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saveImage = [UIImage imageNamed:@"sharebg_1"];
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}
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return saveImage;
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}
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+ (UIImage *)getUserAvatorWith:(NSString *)userId{
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if (!userId) {
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GILog(@"userID nil !!!");
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return nil;
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}
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NSString*fullpath=[[NSHomeDirectory() stringByAppendingPathComponent:@"Documents"]stringByAppendingPathComponent:userId];
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UIImage*saveImage=[[UIImage alloc]initWithContentsOfFile:fullpath];
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if (!saveImage) {
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saveImage = [UIImage imageNamed:@"img_circle_avatar"];
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}
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return saveImage;
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}
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// 改变图像的尺寸，方便上传服务器
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+ (UIImage *) scaleFromImage: (UIImage *) image toSize: (CGSize) size
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{
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UIGraphicsBeginImageContext(size);
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[image drawInRect:CGRectMake(0, 0, size.width, size.height)];
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UIImage *newImage = UIGraphicsGetImageFromCurrentImageContext();
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UIGraphicsEndImageContext();
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return newImage;
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}
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//保持原来的长宽比，生成一个缩略图
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+ (UIImage *)thumbnailWithImageWithoutScale:(UIImage *)image size:(CGSize)asize
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{
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UIImage *newimage;
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if (nil == image) {
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newimage = nil;
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}
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else{
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CGSize oldsize = image.size;
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CGRect rect;
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if (asize.width/asize.height > oldsize.width/oldsize.height) {
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rect.size.width = asize.width*oldsize.height/oldsize.width;
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// rect.size.height = asize.height*oldsize.height/oldsize.width;
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rect.size.height = asize.width*oldsize.height/oldsize.width;
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rect.origin.x = (asize.width - rect.size.width)/2;
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rect.origin.y = 0;
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}
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else{
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//rect.size.width = asize.width;
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rect.size.width = asize.height*oldsize.width/oldsize.height;
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rect.size.height = asize.height*oldsize.width/oldsize.height;
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rect.origin.x = 0;
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rect.origin.y = (asize.height - rect.size.height)/2;
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}
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UIGraphicsBeginImageContext(asize);
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CGContextRef context = UIGraphicsGetCurrentContext();
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CGContextSetFillColorWithColor(context, [[UIColor clearColor] CGColor]);
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UIRectFill(CGRectMake(0, 0, asize.width, asize.height));//clear background
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[image drawInRect:rect];
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newimage = UIGraphicsGetImageFromCurrentImageContext();
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UIGraphicsEndImageContext();
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}
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return newimage;
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}
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+(UIImage *)zipScaleWithImage:(UIImage *)sourceImage{
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//进行图像尺寸的压缩
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CGSize imageSize = sourceImage.size;
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//取出要压缩的image尺寸
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CGFloat width = imageSize.width;
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//图片宽度
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CGFloat height = imageSize.height;
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//图片高度 //1.宽高大于1280(宽高比不按照2来算，按照1来算)
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if (width>1280||height>1280) { if (width>height) { CGFloat scale = height/width; width = 1280; height = width*scale;
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}else{ CGFloat scale = width/height;
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height = 1280; width = height*scale;
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}
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//2.宽大于1280高小于1280
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}else if(width>1280||height<1280){
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CGFloat scale = height/width;
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width = 1280;
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height = width*scale;
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//3.宽小于1280高大于1280
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}else if(width<1280||height>1280){
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CGFloat scale = width/height; height = 1280; width = height*scale;
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//4.宽高都小于1280
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}else{
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}
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//进行尺寸重绘
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UIGraphicsBeginImageContext(CGSizeMake(width, height));
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[sourceImage drawInRect:CGRectMake(0,0,width,height)]; UIImage* newImage = UIGraphicsGetImageFromCurrentImageContext(); UIGraphicsEndImageContext();
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return newImage;
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}
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+(void)saveUserFeedbackImag:(NSString *)imagename image:(UIImage *)image
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{
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NSData*imageData=UIImagePNGRepresentation(image);
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NSString *rootPath = [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) objectAtIndex:0];
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NSString *savePath = nil;
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savePath = [NSString stringWithFormat:@"%@/gigafee/%@",rootPath,imagename];
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NSFileManager *manager = [NSFileManager defaultManager];
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if(![manager fileExistsAtPath:savePath]){
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[manager createDirectoryAtPath:savePath withIntermediateDirectories:YES attributes:nil error:nil];
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}
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[imageData writeToFile:[NSString stringWithFormat:@"%@/%@.png",savePath,imagename] atomically:YES];
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}
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+(UIImage *)getUserFeedbackImag:(NSString *)imageName{
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NSString *rootPath = [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) objectAtIndex:0];
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NSString *filePath = nil;
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filePath = [NSString stringWithFormat:@"%@/gigafee/%@/%@.png",rootPath,imageName,imageName];
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NSLog(@"获取Path:%@",filePath);
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UIImage *Img = [UIImage imageWithContentsOfFile:filePath];
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return Img;
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}
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+(void)delectAllfeedimages{
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NSString *rootPath = [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) objectAtIndex:0];
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NSString *filePath = nil;
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filePath = [NSString stringWithFormat:@"%@/gigafee/",rootPath];
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NSFileManager *fileManager = [NSFileManager defaultManager];[fileManager removeItemAtPath:filePath error:nil];
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}
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@end
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